Similar to unlocking an iphone, the new No-Key Nokia X-SIM can unlock Nokia mobile phones that operate with a SIM card, allowing phones to work in any network.

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A new product, compatible with most DCT4 and BB5 Nokia mobile phones, allows users to bypass the lock and utilize different service providers. The No-Key Nokia X-SIM, available at http://www.one-stop-china.com , can unlock Nokia mobile phones that operate with a SIM card, allowing phones to work in any network.

Most mobile phone service operators sell their Nokia mobile phones locked and the user must buy the phone together with the operatorÂs service package. With the No-Key Nokia X-SIM, the user can allow their Nokia mobile phone to utilize other networks where the airtime is cheaper.

The working theory of the X-SIM is that each phone operates on an identification system. The mobile phone checks if the SIM card matches the operator. If so, it opens; if not, it doesnÂt. The X-SIM card gives a signal to the Nokia mobile phone simulating the original SIM card. So, phone never really unlocks, it just allows the user to operate in any network. It can still maintain the original warranty and can also install any of the latest firmware from Nokia without problems. So, there is no risk unlocking and no risk of doing any harm to the phone.